curl -o /dev/null -s -w %{time_namelookup}::%{time_connect}::%{time_starttransfer}::%{time_total}::%{speed_download}"\n" "http://www.taobao.com" 02.0.014::0.015::0.018::0.019::1516256.00
curl -o /dev/null -w %{time_namelookup}::%{time_connect}::%{time_starttransfer}::%{time_total}::%{speed_download}"\n" "http://www.taobao.com" 02. % Total % Received % Xferd Average Speed Time Time Time Current 03. Dload Upload Total Spent Left Speed 04.100 28774 0 28774 0 0 1145k 0 --:--:-- --:--:-- --:--:-- 7550k 05.0.014::0.016::0.020::0.025::1173060.000
speed_download:下周速度 单位 byte/s
3. 上面时间rt的理解【单位是 秒】
原文:http://www.cnblogs.com/fengjian2016/p/5480694.html